Discover where luxury meets innovation with Beautyrest Series 3 Firm Mattress This mattress is designed with Triple-Stranded Pocketed Coil Technology and offers advanced individualized support and motion separation Sleep Climate Technology works with the Micro Diamond Memory Foam upgrade to enhance heat transfer from the mattress while SurfaceTouch Gel Memory Foam and Self-Response Latex upgrades conform to the body for responsive pressure relief Experience Beautyrest Black and rest luxuriously